8
votes
Accepted
In FreeCAD, how do you copy a sketch from one plane to another?
I’m assuming you are working in the Part Design workbench. Select the sketch and click Edit > Duplicate selected object. Make sure that only the sketch is copied (depending on the version, either ...
- 338
8
votes
Split/edit part in FreeCAD?
When you want to change an STL file in FreeCAD then this is how I do it. I open the STL file in FreeCAD and select the option in the Part/...
- 293
7
votes
Accepted
Split/edit part in FreeCAD?
I found that the answer provided by @Marco was helpful but not the correct answer I was looking for.
Here is the general approach I used (Based on this).
Create new document
Import STL file
Switch ...
- 293
5
votes
Accepted
How to design a worm-gear in FreeCAD?
As far as I know there is not a workbench capable of producing the design you want with a single click "new worm gear". But it is a rather simple affair to create the part you want from scratch.
...
- 4,715
5
votes
FreeCAD: Scene doesn't look 3D
FreeCAD, like many other 3D programs (including blender) does use Isometric/Orthographic display as the default displaying option as it allows to see on one view if some lengths or angles are "equal".
...
- 22.1k
3
votes
Does FreeCAD produce a wrong stl for slicer software?
It's not FreeCad, it is the shape you want to create. The wall has 1.0 mm thickness. I assume that you are using 0.4 mm nozzle. With default extrusion width of 0.45, you can get either 0.9 or 1.35 mm ...
- 821
3
votes
Accepted
FreeCAD to design moving parts
freeCad has a draft rotate function in DRAFT workbench:
Select an object;
Press the Draft Rotate button, then;
Click to set the rotating point and rotate.
You will get used to that after a few ...
- 1,972
2
votes
FreeCAD: Scene doesn't look 3D
CAD programs uses parallel view not perspective view.
So the length of 2 objects with the same length are displayed as 2 objects with the same length on the screen.
This is better for constructing ...
- 668
2
votes
Split/edit part in FreeCAD?
I found Dave G's answer to be helpful, however I could only use additive features (e.g. Pad) on the created object, and could not make subtractive features into the object (e.g. Pocket).
Here's what ...
- 121
2
votes
OpenSCAD / FreeCAD splitting, hollowing and threading model
OpenSCAD lacks any facilities to perform computations on the resulting geometry (derived from CSG or directly imported). It has a decent functional language for expressing geometry in terms of ...
2
votes
FreeCAD to design moving parts
I would also like to take a look at the A2plus Workbench (Freecad Addon). There you can define constraints which can help with this problem. As far as I know, parts cannot be moved with the mouse ...
- 21
2
votes
How can I convert a mathematically defined shape into a 3D printable G-code file?
For stuff like this, OpenSCAD is your friend. There are several different approaches you could take:
Generate an image file with grayscale color representing the height of the function on an XY grid, ...
2
votes
Accepted
Creating a 3D modelled "mold over" an imported object
Instead of using FreeCAD, I would import the mesh data into a vertex-based 3D modeling software, such as blender.
After stitching the model in any areas where you still have gaps, you remove any ...
- 22.1k
2
votes
Accepted
How to take in account tolerances when coupling
I guess this tolerance (0.4 mm in my example) depends on a lot of variables: 3D printer settings, material, etc... so it may change using different setup.
Tolerances required depend on the geometry ...
- 335
2
votes
Accepted
How can I split at line at an already existing point?
I figured it out. Splitting at that specific point makes no sense because the split wouldn't be constrained to it at all. It would just be confusing.
The way to do this is to split somewhere else on ...
- 141
2
votes
Accepted
Compute failed? Why?
A "Recompute failed" is not your fault. Freecad is a free CAD software that is maintained by more than 400 volunteers. It is a bug in the software and happens often, for example because of ...
- 679
2
votes
How to take in account tolerances when coupling
Once you understand how the parts will need to fit together to meet their purpose, you will need to define allowances on your parts in order to create clearance between them.
You will need to ...
- 433
1
vote
How to take in account tolerances when coupling
I guess this tolerance (0.4 mm in my example) depends on a lot of variables: 3D printer settings, material, etc... so it may change using different setup.
Yes, this is true, you need to find out for ...
- 35.8k
1
vote
How do I run wires for an LED through my print?
The best option probably, is to embed everything in the cube seamlessly. It's one of techniques only possible with 3D printing.
Prepare the cube normally with pockets where the battery, wires and LEDs ...
- 412
1
vote
How can I convert a mathematically defined shape into a 3D printable G-code file?
Not sure what you're asking exactly, but you can use this workflow:
SideFX Houdini: math function + STL file generation
(optional) FreeCAD: Import STL as mesh, do whatever you need to do in FreeCAD, ...
- 315
1
vote
How can I convert a mathematically defined shape into a 3D printable G-code file?
You may generate a .stl file from your mathematical definition. You may write a program using a language of your choice to compute the .stl file.
Your image shows a lot of rectangles, each rectangle ...
- 151
1
vote
How can I convert a mathematically defined shape into a 3D printable G-code file?
Another option is to use Full Control Designer where you can define the path using Excel formulas and it will generate the GCode for you.
- 4,263
1
vote
Creating a 3D modelled "mold over" an imported object
It depends on the software you're using, but here is an example with TinkerCad.
Step 1: Import your 3D model (imagine that the ball is a head):
Step 2: Change its type from "Solid" to "...
- 111
1
vote
How to fill these squares easily
The problem
FDM printers slice models in STL or OBJ format. Neither of these formats can transmit properties like Materials: they consist fully of surface definitions.
But... Multi-Material printing ...
- 22.1k
1
vote
Beginner FreeCAD question on axes when sketching
This answer assumes you're working in the Part Design workbench.
So you want to adjust the starting height of a pad or pocket. There are two ways I can think of to do this easily.
Adjust the Z ...
- 338
1
vote
Sketchup Free STL import in FreeCAD not working with Fasteners Workbench
I have been down that road with FreeCAD and STL files and never ever succeeded. I actually use Prusa Slic3r whenever I need to edit STL files such as resize, cut or split and object.
That said, ...
- 111
1
vote
Sketchup Free STL import in FreeCAD not working with Fasteners Workbench
There are a number of steps to importing an STL file into FreeCAD and being able to use it.
This page discusses this in detail, but to summarize:
Import the STL
In the Part workbench, use Create ...
- 338
1
vote
Sketchup Free STL import in FreeCAD not working with Fasteners Workbench
Stls may not properly import as solids. This is likely what is happening in your case. Stl format is ultimately just a bunch of triangles without a proper definition of a solid. The boolean ...
- 11
1
vote
Cura imports FreeCAD stl wrong
Only proper solution that's worked for me on the .stl level like this is manually deleting and patching the triangles in FreeCAD's Mesh Design. It's usually time consuming, but there are 3d scans and ...
- 11
1
vote
Cura imports FreeCAD stl wrong
I suspect that your method to create the hole for the pins may not be consistent with the modeling practice that FreeCad and other programs of this nature require.
Consider the following:
Import ...
- 11.5k
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